Finding the Third Proportional to 2,499.75 and 5,787

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.75 : 5,787 = 5,787 : x
2. Step 2: Convert to fraction form
   2,499.75/5,787 = 5,787/x
3. Step 3: Cross multiply
   2,499.75x = 5,787 × 5,787
4. Step 4: Simplify right side
   2,499.75x = 33,489,369
5. Step 5: Solve for x
   x = 33,489,369/2,499.75
6. Step 6: Final answer
   x = 13,397.09